McArthur River Mining Pty Ltd (MRM) is a company wholly owned by the international GlencoreXstrata group and is the operator of the McArthur River zinc mine. Our operation mines the ‘Here’s Your Chance’ orebody, one of the world’s largest zinc and lead deposits.
Our underground operations started in 1995, with open pit development occurring during 2007-2008.
We are the world’s largest bulk producer of zinc in concentrate form, supplying 70% of global demand for a high-grade bulk zinc-lead-silver concentrate. Our concentrate is used by Imperial Smelting Process smelters in Europe and Asia to produce zinc and lead metal and alloys. In 2009, we began producing a new zinc concentrate for supply to electrolytic smelters.